Solve the system by graphing. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(-1, -4)}
B. {(-3, -4)}
C. {(-3, 4)}
D. {(3, 4)}
Answer: C
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Solve the problem.The sum of the measures of the angles of a triangle is 180°. The sum of the measures of the angles of a rectangle is 360°. Use the inequality symbol ? or ? to write a statement comparing the numbers 180 and 360.
A. 180 ? 360 B. 180 ? 360
Solve.A rock falls from a tower that is 208 ft high. As it is falling, its height is given by the formula 
How many seconds will it take for the rock to hit the ground (h=0)? Round to the nearest tenth.
A. 3.6 sec B. 2704 sec C. 14.4 sec D. 13 sec
Perform the indicated operation.-(3x3 + x - 8) + (8x3 + 2x2) - (6x2 - 7x -1)
A. 11x3 - 8x2 + 6x - 9 B. 4x3 - 2x2 - 6x + 9 C. 5x3 - 4x2 + 6x + 9 D. 5x3 + 4x2 + 8x - 9
Assume the distribution is normal. Use the area of the normal curve to answer the question. Round to the nearest whole percent.The average size of the bass in a lake is 11.4 inches, with a standard deviation of 3.2 inches. Find the probability of catching a bass longer than 17 inches.
A. 96% B. 5% C. 4% D. 8%